From e21808de3cd06aee58c9987872571ae74d4438c8 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Sun, 29 Mar 2026 13:44:19 -0400
Subject: [PATCH] xo-gc stack: + request-gc-statistics() primitive

1. xo-gc now depends on xo-object2.
2. use genfacet for ICollector_DX1Collector
3. moves xo-gc utest previously in xo-object2 to more natural
   location in xo-gc/
---
 include/xo/interpreter2/detail/IRuntimeContext_DVsmRcx.hpp | 2 ++
 src/interpreter2/IRuntimeContext_DVsmRcx.cpp               | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/include/xo/interpreter2/detail/IRuntimeContext_DVsmRcx.hpp b/include/xo/interpreter2/detail/IRuntimeContext_DVsmRcx.hpp
index 1eddf28c..d87596e6 100644
--- a/include/xo/interpreter2/detail/IRuntimeContext_DVsmRcx.hpp
+++ b/include/xo/interpreter2/detail/IRuntimeContext_DVsmRcx.hpp
@@ -52,6 +52,8 @@ namespace xo {
             static obj<AAllocator> allocator(const DVsmRcx & self) noexcept;
             /** collector facet for allocator. If non-null, same data pointer as allocator **/
             static obj<ACollector> collector(const DVsmRcx & self) noexcept;
+            /** last-resort allocator for erros. e.g. regular allocator exhausted **/
+            static obj<AAllocator> error_allocator(const DVsmRcx & self) noexcept;
             /** stringtable for unique symbols **/
             static StringTable * stringtable(const DVsmRcx & self) noexcept;
             /** invoke visitor for each distinct memory pool **/
diff --git a/src/interpreter2/IRuntimeContext_DVsmRcx.cpp b/src/interpreter2/IRuntimeContext_DVsmRcx.cpp
index 9b1a73d0..b2259c75 100644
--- a/src/interpreter2/IRuntimeContext_DVsmRcx.cpp
+++ b/src/interpreter2/IRuntimeContext_DVsmRcx.cpp
@@ -27,6 +27,12 @@ namespace xo {
             return self.collector();
         }
 
+        auto
+        IRuntimeContext_DVsmRcx::error_allocator(const DVsmRcx & self) noexcept -> obj<AAllocator>
+        {
+            return self.error_allocator();
+        }
+
         auto
         IRuntimeContext_DVsmRcx::stringtable(const DVsmRcx & self) noexcept -> StringTable *
         {